Title: error message on wordpress admin panel Last modified: August 21, 2016 --- # error message on wordpress admin panel * [graziadesign](https://wordpress.org/support/users/graziadesign/) * (@graziadesign) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/) * Hello to all I have created a theme on a free server and all is well, now I am carrying this theme on another server where I will have to activate the newly installed domain and I came out this message now high in the wordpress admin panel: Warning: Can not modify header information – headers already sent by ( output started at / htdocs / public / www / wp-content / themes / business / functions.php: 91) in / htdocs / public / www / wp-includes / option.php on line 568 Warning: Can not modify header information – headers already sent by (output started at / htdocs / public / www / wp-content / themes / business / functions. php: 91) in / htdocs / public / www / wp-includes / option.php on line 569 What am I doing wrong? Where should I intervene? Thanks in advance to those who will give me a hand to solve this problem. Viewing 8 replies - 1 through 8 (of 8 total) * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772685) * Where did you download this theme from? Have you reviewed [Solving “headers already sent” warnings](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F)? * Thread Starter [graziadesign](https://wordpress.org/support/users/graziadesign/) * (@graziadesign) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772762) * The theme I did following a tutorial and everything worked, however on the other server, so I do not understand why now on this server does not work and tells me this error. I tried to take a look at the link you sent me but it seems my case. I noted the file function.php them and the code is correct and it seems to me that other files in / htdocs / public / www / wp-includes / option.php on line 569. I do not know do you recommend? * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772795) * Is this a custom theme? Try reviewing [Solving “headers already sent” warnings](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F) * Thread Starter [graziadesign](https://wordpress.org/support/users/graziadesign/) * (@graziadesign) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772801) * Can I post here the file function and control it with you? I really can not figure out where the error can be especially because it works on another host. * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772804) * > Is this a custom theme? > Try reviewing Solving “headers already sent” warnings * Thread Starter [graziadesign](https://wordpress.org/support/users/graziadesign/) * (@graziadesign) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772809) * It ‘a theme that I did. * [esmi](https://wordpress.org/support/users/esmi/) * (@esmi) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772810) * Did you try reviewing [Solving “headers already sent” warnings](http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F)? * Thread Starter [graziadesign](https://wordpress.org/support/users/graziadesign/) * (@graziadesign) * [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772812) * Yes, and from the link you sent me, and the error message is this: * Warning: Can not modify header information – headers already sent by (output started at / htdocs / public / www / wp-content / themes / avateam / functions. php: 269) in / htdocs / public / www / wp-includes / option. php on line 568 Warning: Can not modify header information – headers already sent by (output started at / htdocs / public / www / wp-content / themes / avateam / functions. php: 269) in / htdocs/public/www/wp- includes / option.php on line 569 * The error should be in the function.php file of php and I are not very experienced, so I wanted to post it here and check it with you. Help me please? thank you very much Viewing 8 replies - 1 through 8 (of 8 total) The topic ‘error message on wordpress admin panel’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 8 replies * 2 participants * Last reply from: [graziadesign](https://wordpress.org/support/users/graziadesign/) * Last activity: [13 years ago](https://wordpress.org/support/topic/error-message-on-wordpress-admin-panel/#post-3772812) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics